- From: Kevin Marks <kevinmarks@gmail.com>
- Date: Tue, 23 Nov 2010 16:53:20 -0800
Well, if we care about doing video processing with Canvas, understanding anamorphic pixels is needed. On Tue, Nov 23, 2010 at 4:50 PM, Robert O'Callahan <robert at ocallahan.org>wrote: > On Wed, Nov 24, 2010 at 1:24 PM, Kevin Marks <kevinmarks at gmail.com> wrote: > >> Most video displays have non-square pixels. Standard definition video >> processing resolutions are 720 by 480 for NTSC and 720 by 576 for PAL though >> both are 4 by 3 aspect ratio. >> You can argue whether tv standards count as modern, but there are a lot >> out there. >> > > Yeah, I slipped in "modern" to exclude examples that don't fit my argument > :-). > > But seriously, GUI platforms and applications used to support non-square > pixel aspect ratios (e.g. Windows in the CGA/EGA era), but no longer do. > That time has passed. > > Rob > -- > "Now the Bereans were of more noble character than the Thessalonians, for > they received the message with great eagerness and examined the Scriptures > every day to see if what Paul said was true." [Acts 17:11] > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.whatwg.org/pipermail/whatwg-whatwg.org/attachments/20101123/b71d3e67/attachment.htm>
Received on Tuesday, 23 November 2010 16:53:20 UTC